When you see the symbol "p," it refers to

The subspecialty that involves the study of motivation, work attitudes, and the culture of companies is _____ psychology.

A. industrial B. personnel C. performance D. organizational

For the past month, Khiem seems to have lost interest in most of his normal daily activities. He has gained nearly 15 pounds, and his sleep has been disrupted. He rarely goes to his university classes anymore, because he feels like he has no energy. When he makes it to class, he has trouble concentrating or making decisions. In this case, it is likely that Khiem would be classified as having:

a. bipolar disorder b. major depression c. conversion disorder d. generalized anxiety disorder